On Hand Inventory fields explained

source: http://social.technet.microsoft.com/wiki/contents/articles/6116.dynamics-ax-on-hand-inventory.aspx
MS Dynamics AX 2009 has a very detailed information about inventory items; it gives a comprehensive information regarding stock which gives a clear vision about what in stock, what is reserved for customer or to be issued out, what is ordered from vendor or received in, and what have been posted or still in open transaction.
The below table descript the information in Items On hand form under Inventory Management->Common Forms->Item details->On hand button

Or it could be accessed through Sales Order/ Purchase Order/Inventory Movement/Production Order under Inventory button->On Hand

#	Label	Description	Comment
1	Physical inventory	Total available quantities
2	Physical reserved	Quantities reserved in Sales Order
3	Available Physical	Available physical quantities for transactions	3 = 1 – 2
4	Ordered in total	Total quantities in open Purchase Order (did not received yet)
5	Ordered reserved	Quantities reserved from Purchase Order (did not received yet)
6	Available for reservation	Quantities in open Purchase Orders (did not received yet) available for reservation	6 = 3 + (4 – 5)
7	On order in total	Quantity in open Sales Order (did not delivered yet)
8	Total Available	Net available physical quantities for transaction	8 = 6 – 7
9	Posted quantity	Quantities posted financially
10	Deducted	Quantities have physical packing list updates in Sales Order
11	Picked	Quantities have picking list update in Sales Order
12	Received	Quantities have physical updates in Purchase Order
13	Registered	Quantities have registered in Purchase Order
14	Physical cost amount	Amount posted in ledger physically
15	Financial cost amount	Amount posted in leader financially
16	Cost price	Item average cost